Police in Sebastian are asking for the public's help in finding a woman missing since Dec. 19.Patricia Danna-Harrison, 67, was last seen at a Christmas party that night, police said.MOBILE USERS: Watch The VideoShe dropped a friend off and then headed to her home on Carnation Drive. Her car was found at the home, along with her purse and cellphone, but Danna-Harrison has not been seen."The concern is now that she's now been missing for over a week," Sebastian police Officer Steve Marcinik said. "She's considered to be missing, endangered because of medication that she needs to take."Danna-Harrison lives with her son. According to investigators, he told police he awoke on the morning of Dec. 20 to find his mom's purse and cellphone, but no sign of her.Investigators said he waited two days to call police, but he is not considered a suspect at this point."Her son is cooperative. He's the last one to see her," Marcinik said. "Detectives are looking at every aspect: cellphones, bank records, anything at all."Anyone who knows Danna-Harrison's whereabouts is asked to call police.Follow Ari Hait on Twitter at @wpbf_ari.More From WPBF: Email alerts | Mobile | SocialView, Share Breaking News Photos On WPBF.com's u local:9146236

SEBASTIAN, Fla. —

Police in Sebastian are asking for the public's help in finding a woman missing since Dec. 19.

Patricia Danna-Harrison, 67, was last seen at a Christmas party that night, police said.

She dropped a friend off and then headed to her home on Carnation Drive. Her car was found at the home, along with her purse and cellphone, but Danna-Harrison has not been seen.

"The concern is now that she's now been missing for over a week," Sebastian police Officer Steve Marcinik said. "She's considered to be missing, endangered because of medication that she needs to take."

Danna-Harrison lives with her son. According to investigators, he told police he awoke on the morning of Dec. 20 to find his mom's purse and cellphone, but no sign of her.

Investigators said he waited two days to call police, but he is not considered a suspect at this point.

"Her son is cooperative. He's the last one to see her," Marcinik said. "Detectives are looking at every aspect: cellphones, bank records, anything at all."

Anyone who knows Danna-Harrison's whereabouts is asked to call police.